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„ ƒ YZ d S( sN Manage shelves of pickled objects using bsddb database files for the
storage.
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A simple factory function for compatibility with the standard
shleve.py module. It can be used like this, where key is a string
and data is a pickleable object:
from bsddb import dbshelve
db = dbshelve.open(filename)
db[key] = data
db.close()
t t rt rwi t wt ct nsJ flags should be one of 'r', 'w', 'c' or 'n' or use the bsddb.db.DB_* flagsN( t typet flagst sflagt dbt DB_RDONLYt DB_CREATEt DB_TRUNCATEt DBErrort DBShelft dbenvt dt opent filenamet dbnamet filetypet mode( R R R R R R R R ( ( R R + s"
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d „ Z RS( sŽ A shelf to hold pickled objects, built upon a bsddb DB object. It
automatically pickles/unpickles data objects going to/from the DB.
c C s t i | ƒ | _ d | _ d S( Ni ( R
t DBR t selft binary( R R ( ( R t __init__R s c C s | i ƒ d S( N( R t close( R ( ( R t __del__W s c C s t | i | ƒ S( sT Many methods we can just pass through to the DB object.
(See below)
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| ƒ f ƒ q? W| S( N( R. R/ R R
t itemst newitemst kt vt appendR' R( ( R R. R2 R1 R4 R3 ( ( R R1 ~ s
c C sB | d j o | i i | ƒ } n | i i ƒ } t t i | ƒ S( N( R. R/ R R
t valuest mapR' R( ( R R. R6 ( ( R R6 ‰ s
c C s( t i | | i ƒ } | i i | | ƒ S( N( R' R* R+ R R R& R
R5 R. ( R R+ R. R& ( ( R t __append” s c C sI | i ƒ t i j o# | i | _ | i | d | ƒSn t i d ‚ d S( NR. sO append() only supported when dbshelve opened with filetype=dbshelve.db.DB_RECNO( R t get_typeR
t DB_RECNOt _DBShelf__appendR5 R+ R. R ( R R+ R. ( ( R R5 ˜ s i c C s" | d „ } | i i | | | ƒ S( Nc C s t i | ƒ } | | | ƒ S( N( R' R( t priDataR& t realCallbackt priKey( R> R< R= R& ( ( R t _shelf_callback s ( t callbackR? R R
t associatet secondaryDBR ( R RB R@ R R? ( ( R RA Ÿ s c O sP t | i i | | ƒ } y t i | ƒ SWn t t i
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t gett argst kwR& R' R( t TypeErrort UnpicklingError( R RE RF R& ( ( R RD § s
c C s= t i | | i ƒ } | i i | | | | ƒ } t i | ƒ S( N( R' R* R+ R R R& R
RD R% R. R R( ( R R% R+ R. R R& ( ( R t get_both³ s c C s+ t | i i | | ƒ ƒ } | i | _ | S( N( t
DBShelfCursorR R
t cursorR. R R R ( R R. R R ( ( R RK ¹ s c C s. t i | | i ƒ } | i i | | | | ƒ S( N( R' R* R+ R R R& R
t putR% R. R ( R R% R+ R. R R& ( ( R RL ¿ s c C s
t ‚ d S( N( t NotImplementedError( R t
cursorListR ( ( R t joinÄ s ( R R t __doc__R/ R R R" R$ R) R, R- R0 R1 R6 R; R5 RA RD RI RK RL RO ( ( ( R R N s&
RJ c B s t Z d Z d „ Z d „ Z d „ Z d d „ Z d d „ Z d „ Z d „ Z d „ Z
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| | _ d S( N( RK R t dbc( R RK ( ( R R Õ s c C s | i ƒ d S( N( R R ( R ( ( R R Ø s c C s t | i | ƒ S( sH Some methods we can just pass through to the cursor object. (See below)N( R R RQ R! ( R R! ( ( R R" Ü s i c C s t | i i | ƒ ƒ S( N( RJ R RQ t dupR ( R R ( ( R RR ã s c C s+ t i | | i ƒ } | i i | | | ƒ S( N(
R' R* R+ R R R& RQ RL R% R ( R R% R+ R R& ( ( R RL ç s c G s0 t | ƒ } t | d | ƒ } t | | ƒ d S( Ns get_%d( R# RE t countR R t methodRC ( R RE RS RT ( ( R RD ì s c C s | i i | ƒ } | i | ƒ S( N( R RQ RD R t rect _extract( R R RU ( ( R t get_1ñ s c C s" | i i | | ƒ } | i | ƒ S( N( R RQ RD R% R RU RV ( R R% R RU ( ( R t get_2õ s c C s7 t i | | i ƒ } | i i | | ƒ } | i | ƒ S( N( R' R* R+ R R R& RQ RD R% R RU RV ( R R% R+ R RU R& ( ( R t get_3ù s c C s | i | t i Bƒ S( N( R RW R R
t
DB_CURRENT( R R ( ( R t currentÿ s c C s | i | t i Bƒ S( N( R RW R R
t DB_FIRST( R R ( ( R t first s c C s | i | t i Bƒ S( N( R RW R R
t DB_LAST( R R ( ( R t last s c C s | i | t i Bƒ S( N( R RW R R
t DB_NEXT( R R ( ( R t next s c C s | i | t i Bƒ S( N( R RW R R
t DB_PREV( R R ( ( R t prev s c C s | i | t i Bƒ S( N( R RW R R
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DB_CONSUME( R R ( ( R t consume s c C s | i | t i Bƒ S( N( R RW R R
t DB_NEXT_DUP( R R ( ( R t next_dup s c C s | i | t i Bƒ S( N( R RW R R
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DB_NEXT_NODUP( R R ( ( R t
next_nodup s c C s | i | t i Bƒ S( N( R RW R R
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DB_PREV_NODUP( R R ( ( R t
prev_nodup s c C s7 t i | | i ƒ } | i i | | ƒ } | i | ƒ S( N( R' R* R+ R R R& RQ RI R% R RU RV ( R R% R+ R RU R& ( ( R RI
s c C s" | i i | | ƒ } | i | ƒ S( N( R RQ t setR% R RU RV ( R R% R RU ( ( R Rl s c C s" | i i | | ƒ } | i | ƒ S( N( R RQ t set_rangeR% R RU RV ( R R% R RU ( ( R Rm s c C s" | i i | | ƒ } | i | ƒ S( N( R RQ t set_recnot recnoR RU RV ( R Ro R RU ( ( R Rn s c C s8 | d j o d Sn | \ } } | t i | ƒ f Sd S( N( RU R/ R% R& R' R( ( R RU R% R& ( ( R RV s
( R R RP R R R" RR RL RD RW RX RY R[ R] R_ Ra Rc Re Rg Ri Rk RI Rl Rm Rn t set_bothRV ( ( ( R RJ Ò s2 ( RP R' t UserDictR t ImportErrorR
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